OpenAI Developers plugin for Codex

Official OpenAI curatedPluginDeveloper Tools

Use OpenAI Developers in Codex to build AI applications, agents, and ChatGPT Apps with OpenAI docs, the OpenAI API, Apps SDK, and Agents SDK. Connect to the OpenAI Platform (platform.openai.com) and see your Codex-built apps work right out of the box with real OpenAI API keys. Run and locally deploy Agents SDK projects through the Deployment Manager, scaffold ChatGPT Apps, and prepare ChatGPT Apps submission artifacts.

How to install OpenAI Developers in Codex

codex plugin add openai-developers@openai-curated

Command format from the Codex CLI reference (codex plugin add <plugin[@marketplace]>); openai-curated is the marketplace name in OpenAI's catalog file. You need to be signed in to Codex. Source: Codex CLI reference.

Or in Codex CLI type /plugins and pick it from the OpenAI curated marketplace; in the ChatGPT desktop app, open the Plugins tab. Start a new session afterwards so the plugin's skills and tools load. (OpenAI plugin docs)

What it contains

Skills (5)

  • agents-sdk — Build, run, deploy, and evaluate OpenAI Agents SDK apps from Codex. Use when the user asks to create or adapt an Agents SDK app, build from a prompt or Codex thread, prepare a runnable agent prototype, add a focused eval harness, or deploy locally through…
  • build-chatgpt-app — Build, scaffold, refactor, and troubleshoot ChatGPT Apps SDK applications that combine an MCP server and widget UI. Use when Codex needs to design tools, register UI resources, wire the MCP Apps bridge or ChatGPT compatibility APIs, apply Apps SDK metadata…
  • chatgpt-app-submission — Inspect a ChatGPT Apps MCP server codebase and generate chatgpt-app-submission.json with app info suggestions, tool hint justifications, test cases, and negative test cases, then report review-check findings and outputSchema warnings for submission review.
  • openai-api-troubleshooting — Use when an OpenAI API request fails and Codex needs to classify the likely cause, explain the next step, and route to the right follow-up. Covers common runtime failures such as blocked outbound network access, invalid credentials, exhausted API quota or…
  • openai-platform-api-key — Use when Codex is asked to build, run, test, debug, or configure an OpenAI-backed or provider-unspecified AI app, UI, script, CLI, generator, or tool, especially requests phrased only as "using AI" or generators driven by forms/user input; also use for…

MCP servers (1)

  • openai-api-key-local-confirmation

App connectors (1)

  • openai-platform — ChatGPT app connection (sign-in handled by the plugin)

Example prompts from the manifest

  • Create an OpenAI API key to use in this project
  • Build an agent with the Agents SDK
  • Build a ChatGPT app from my local MCP server and widget idea.

About this listing

OpenAI Developers is in OpenAI's official curated Codex plugin catalog, published by OpenAI. It shows up in the Codex CLI plugin browser (/plugins) and in the ChatGPT desktop app's Plugins tab. The catalog lists it for the Codex product only. From its files we found 5 skills, 1 MCP server, 1 app connector. The manifest says version 1.2.3. It's one of 79 listings in the Developer Tools category. It also appears in best Codex plugins for deployment and hosting.

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OpenAI Developers FAQ

How do I install OpenAI Developers in Codex?

Run codex plugin add openai-developers@openai-curated (format from the Codex CLI reference). Or in Codex CLI type /plugins and pick it from the OpenAI curated marketplace; in the ChatGPT desktop app, open the Plugins tab. Start a new session afterwards so the plugin's skills and tools load.

Is OpenAI Developers an official Codex plugin?

Yes. OpenAI Developers is in OpenAI's official curated Codex plugin catalog (marketplace openai-curated), published by OpenAI. It appears in the Codex CLI plugin browser and the ChatGPT desktop app's Plugins tab.

What does OpenAI Developers include?

From its files in OpenAI's plugin repo, OpenAI Developers includes 5 skills, 1 MCP server, 1 app connector: agents-sdk, build-chatgpt-app, chatgpt-app-submission, openai-api-troubleshooting, openai-platform-api-key, openai-api-key-local-confirmation….

Details

Type
Plugin
Category
Developer Tools
Source
Official OpenAI curated
Publisher
OpenAI
Version
1.2.3
License
Proprietary
Sign-in
Asks you to connect/sign in when you install it
Availability
Codex only (per the catalog's products field)
Keywords
openai-platform, api-key, agents-sdk, agents, chatgpt-apps, apps-sdk, mcp, submissions, codex
Source
https://github.com/openai/plugins/tree/main/plugins/openai-developers
Website
https://platform.openai.com/
Listed in
OpenAI catalog file
Tested by CodexStacks
Not yet

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Listed on CodexStacks

Markdown

[![Listed on CodexStacks](https://codexstacks.com/badge.svg)](https://codexstacks.com/p/openai-developers/)

HTML

<a href="https://codexstacks.com/p/openai-developers/"><img src="https://codexstacks.com/badge.svg" alt="Listed on CodexStacks" width="172" height="28"></a>

Embed card (static HTML and inline CSS, no JavaScript). Preview:

<a href="https://codexstacks.com/p/openai-developers/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #3a2c26;border-radius:12px;background:#0d0b0a;color:#f3ece6;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#f3ece6">OpenAI Developers</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Official Codex plugin · 5 skills, 1 MCP server, 1 app connector</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">Use OpenAI Developers in Codex to build AI applications, agents, and ChatGPT Apps with OpenAI docs, the OpenAI API…</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>

Markdown summary

**[OpenAI Developers on CodexStacks](https://codexstacks.com/p/openai-developers/)**: Official Codex plugin with 5 skills, 1 MCP server, 1 app connector. Install: `codex plugin add openai-developers@openai-curated`

More on badges, embeds and keeping your listing up to date: CodexStacks for plugin authors.

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